package com.atguigu.common.validator;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set=new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] value = constraintAnnotation.vals();

        for (int val : value) {
            set.add(val);
        }

    }

    //判断校验是否成功
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return  set.contains(value);
    }
}